Why did Karl Marx design communism?

Karl Marx believed in a philosophy called 'dialectical materialism' which he developed with the help of Friedrich Engels. This philosophy is based on the idea that economics changes societies to fit its needs (EX: At the advent of capitalism, the feudal system was no longer plausible. Thus, it was destroyed--and replaced with the current market system).

Marx foresaw the death of capitalism in the interactions between itself and the world it was creating (capitalism is based upon an 'everyone for themselves' principle, while production was heading towards mass production wherein people are required to work together). The growth model Marx developed predicted that capitalism was headed for a boom-bust cycle that would eventually lead to an uprising of the proletariat and the death of capitalism. Communism was the system that Marx believed would replace capitalism, a system wherein the means of production were state-owned and thus conformed to the underlying economic forces.

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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.